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. 2015 Aug 11;5:12908. doi: 10.1038/srep12908

Figure 5. Crude oil absorption and air bubble-driven desorption of a 6/4 NS/p-PDMS sponge during UV irradiation.

Figure 5

(a) Sequence of underwater crude oil absorption and desorption with UV irradiation and air bubbling. (b) Oil absorption/desorption capacities and recyclabilities of the NS/p-PDMS (desorption by UV/bubbling) vs. a p-PDMS (desorption by squeezing or bubbling). (c) Oil desorption efficiency: bubbling and UV irradiation on the NS/p-PDMS sponge vs. squeezing the p-PDMS for oil desorption. (d) Underwater oleophilic nature of the p-PDMS after squeezing. (e) Underwater oleophobic nature of the 6/4 NS/p-PDMS after UV/bubbling. The diameter of each sponge is same as 1.5 cm.